1. Noth, Siegwart, Engel “Design of Solar Powered Airplanes for Continuous Flight,” “Zurich: Swiss Federal Institute of Technology,” Version 1.1, 1–3 (2007).
2. Gohardani, “Challenges of future air craft propulsion: A review of distributed propulsion technology and its potential application for the all electric commercial aircraft,” “Progress in Aerospace Sciences,” Vol.1, 381–382 (2011).
3. Solar Impulse, “solarimpulse.com,” “http://www.solarimpulse.com/common,”, 1–3 (2013).
4. Marsh, “Best Endurance Under The Sun,” “Renewable Energy Focus,” Vol.1, 24–27 (2010).
5. Cestino, “Design of Solar High Altitude Long Endurance Aircraft for Multi Payload & Operations,” “Aerospace Science and Technology,” Vol.1, 541–550 (2006).